package net.minecraft.block;

import java.util.List;
import net.minecraft.block.material.Material;
import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyBool;
import net.minecraft.block.state.BlockState;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.BlockPos;
import net.minecraft.world.World;

public class BlockPressurePlate extends BlockBasePressurePlate {
	public static final PropertyBool POWERED = PropertyBool.create("powered");
	private final BlockPressurePlate.Sensitivity sensitivity;

	protected BlockPressurePlate(Material materialIn, BlockPressurePlate.Sensitivity sensitivityIn) {
		super(materialIn);
		this.setDefaultState(this.blockState.getBaseState().withProperty(POWERED, Boolean.valueOf(false)));
		this.sensitivity = sensitivityIn;
	}

	protected int getRedstoneStrength(IBlockState state) {
		return ((Boolean) state.getValue(POWERED)).booleanValue() ? 15 : 0;
	}

	protected IBlockState setRedstoneStrength(IBlockState state, int strength) {
		return state.withProperty(POWERED, Boolean.valueOf(strength > 0));
	}

	protected int computeRedstoneStrength(World worldIn, BlockPos pos) {
		AxisAlignedBB axisalignedbb = this.getSensitiveAABB(pos);
		List<? extends Entity> list;

		switch (this.sensitivity) {
		case EVERYTHING:
			list = worldIn.getEntitiesWithinAABBExcludingEntity((Entity) null, axisalignedbb);
			break;

		case MOBS:
			list = worldIn.<Entity>getEntitiesWithinAABB(EntityLivingBase.class, axisalignedbb);
			break;

		default:
			return 0;
		}

		if (!list.isEmpty()) {
			for (Entity entity : list) {
				if (!entity.doesEntityNotTriggerPressurePlate()) {
					return 15;
				}
			}
		}

		return 0;
	}

	/**
	 * Convert the given metadata into a BlockState for this Block
	 */
	public IBlockState getStateFromMeta(int meta) {
		return this.getDefaultState().withProperty(POWERED, Boolean.valueOf(meta == 1));
	}

	/**
	 * Convert the BlockState into the correct metadata value
	 */
	public int getMetaFromState(IBlockState state) {
		return ((Boolean) state.getValue(POWERED)).booleanValue() ? 1 : 0;
	}

	protected BlockState createBlockState() {
		return new BlockState(this, new IProperty[] { POWERED });
	}

	public static enum Sensitivity {
		EVERYTHING, MOBS;
	}
}
